Collaboration Tools:

• Blog, discussion forums, video and document libraries, wikis and polls

Private or Public Settings:

• Open Group: membership is open and non-members can view and participate
  
• Private: membership is by approval/invitation only and only members can view content and participate

• Post Event Follow-up - create a collaboration group after an event to continue the dialogue
• Local or Regional - talk about unique smart, green city initiatives in your local area.
  
• Team Project - use the the group with your colleagues or a team as a private work space to share resources, collaborate on documents.
  
• Industry/Vertical City Topics - transportation, education, clean air, clean water, energy  consumption, invite the world or your local area to discuss hot green  smart growth topics.
  
• Citizen Engagement - create a group to discuss city concerns, needs and successes.